1 of them.
How many significant figures are in 13001kg
3 significant figures.
2 significant figures
3 significant figures.
4 significant figures.
1 of them.
There are three. The 4, the 5 and the zero in between. The two last zeros serve only to properly space the decimal point which, in this number, is implied.
How many significant figures are in 20.8
There are 3 significant figures in 94.2.
101330 has 6 significant figures.
There are four significant figures in 0.1111.
There are four significant figures in 0.005120.
3 significant figures.
3 significant figures.
4487 has four significant figures.
4 significant figures.
4 significant figures.